public async Task TryGetValueAsyncTest()
{
DictionaryChange change = null;
TransactedConcurrentDictionary <int, string> d = new TransactedConcurrentDictionary <int, string>(
new Uri("test://mocks", UriKind.Absolute),
(c) =>
{
change = c;
return(true);
}
);
using (var tx = _stateManager.CreateTransaction())
{
Assert.IsFalse((await d.TryGetValueAsync(tx, 1, LockMode.Default)).HasValue);
Assert.IsTrue(await d.TryAddAsync(tx, 1, "One"));
using (var tx2 = _stateManager.CreateTransaction())
{
await Assert.ThrowsExceptionAsync <TimeoutException>(
async() =>
{
await d.TryGetValueAsync(tx2, 1, LockMode.Default, timeout: TimeSpan.FromMilliseconds(20));
}
);
}
await tx.CommitAsync();
Assert.AreEqual("One", change.Added);
}
}
private async Task <ConditionalValue <string> > GetValue(TransactedConcurrentDictionary <int, string> d, int key, TimeSpan timeout = default(TimeSpan))
{
using (var tx = _stateManager.CreateTransaction())
{
return(await d.TryGetValueAsync(tx, key, LockMode.Default, timeout : timeout));
}
}
public async Task <ConditionalValue <T> > TryGetAsync <T>(Uri name) where T : IReliableState
{
using (var tx = CreateTransaction())
{
var result = await _store.TryGetValueAsync(tx, name, LockMode.Default);
return(new ConditionalValue <T>(result.HasValue, (T)result.Value));
}
}
public async Task SetAsyncTest()
{
DictionaryChange change = null;
TransactedConcurrentDictionary <int, string> d = new TransactedConcurrentDictionary <int, string>(
new Uri("test://mocks", UriKind.Absolute),
(c) =>
{
change = c;
return(true);
}
);
using (var tx = _stateManager.CreateTransaction())
{
await d.SetAsync(tx, 1, "Zero");
}
using (var tx = _stateManager.CreateTransaction())
{
ConditionalValue <string> value = await d.TryGetValueAsync(tx, 1, LockMode.Default);
Assert.IsFalse(value.HasValue);
}
using (var tx = _stateManager.CreateTransaction())
{
await d.SetAsync(tx, 1, "One");
await tx.CommitAsync();
Assert.AreEqual("One", change.Added);
Assert.AreEqual(null, change.Removed);
}
using (var tx = _stateManager.CreateTransaction())
{
await d.SetAsync(tx, 1, "Two");
}
using (var tx = _stateManager.CreateTransaction())
{
ConditionalValue <string> value = await d.TryGetValueAsync(tx, 1, LockMode.Default);
Assert.AreEqual("One", value.Value);
}
using (var tx = _stateManager.CreateTransaction())
{
await d.AddAsync(tx, 2, "Two");
await tx.CommitAsync();
}
using (var tx = _stateManager.CreateTransaction())
{
await d.SetAsync(tx, 2, "Three");
await tx.CommitAsync();
Assert.AreEqual("Two", change.Removed);
Assert.AreEqual("Three", change.Added);
}
Assert.AreEqual(2, await GetCount(d));
}